       <div style="margin:0;padding: 0;">
           <?php foreach($auth as $k=>$v):?> 
            <a href="<?php echo U($v['title']);?>" target="main_frame" class="list-group-item"><?php echo $v['name']?></a>
            <?php endforeach;?>
        </div>
    <script>
        $(function(){
            $('body').css('background','gainsboro');
           
           $("a").each(function(){
               $(this).click(function(){
                   $(this).css('background','#f5ecec').siblings().css('background','white');
               })
           });
        })
    </script> 
